Give me a home… where the Elephants roam?

This article from Nature talks about how species from around the world could be used to replace extinct north american species in the wild. No, they’re not talking about spotted owls — they’re talking Cheetahs and Elephants and Camels, oh my…
Re-wilding North America
“Managed elephant populations could similarly benefit ranchers through grassland maintenance and ecotourism (Fig. 1). Five species of proboscidians (mammoths, mastadons and gomphotheres) once roamed North America in the Late Pleistocene; today many of the remaining African and Asian elephants are in grave danger[…]”